It has called for a more ambitious overhaul of the region's fiscal governance and for governments to bolster the size of their emergency bailout fund.

Yet the leaders made no progress on beefing up the eurozone bailout fund or moving towards the issuing of bonds backed by all member countries.

But it will add to the questions surrounding the zone's bailout fund.

It had been wound down after the eurozone created a much bigger and more flexible bailout fund to cope with its debt crisis.

Only as a last resort will the bailout fund be called upon.